Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"novel polymers"”.
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Novel polymers for artificial liver support systems
… synthesis and evaluation of hydrogel particulate polymers for use in artificial liver support systems. The introductory chapter concentrates on various aspects of liver functions, diseases of the liver, and the role that hydrogels can play to improve the condition of patients suffering from …
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Synthesis and Characterization of Novel Polymers for Functional and Stimuli Responsive Silicon Surfaces
The synthesis of a variety of novel functionalized polymers using living polymerization techniques to achieve functional and stimuli responsive coatings on silica surfaces are described. Since microscopic features on a surface influence the overall wetting properties of the surface, a systematic …
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Hypotheses for Scratch Behavior of Polymer Systems that Recover
… crosslink density is incorrect. In this thesis, novel polymers were tested in an attempt to discover materials that show excellent scratch recovery - one of the most important parameters in determining the wear of a material. Several hypotheses were developed in an attempt to give an accurate …
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Functional Polymer Composites for Clinical and Engineering Challenges
… presents the design and development of novel polymers engineered to outperform widely used commercial materials across a range of demanding applications. The central theme of this work is the deliberate tuning of polymer structure, identity, and architecture to achieve targeted …
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Electrostatic Self-Assembly of Linear and Nonlinear Optical Thin Films
… demonstrates the feasibility of using novel electrostatic self-assembly (ESA) methods to fabricate linear and nonlinear optical thin films and components. The ESA process involves the layer-by-layer alternate adsorption of anionic and cationic complexes from aqueous solutions. Selection …
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Polymeric Complexes and Composites for Aerospace and Biomedical Applications
Polymers, among metals and ceramics, are major solid materials which are widely used in all kinds of applications. Polymers are of particular interest because they can be tailored with desirable properties. Polymer-based complexes and composites, which contain both the polymers and other components …
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Alchemistic Polymers for the Delivery of Therapeutic Agents in Treatment of Pediatric Tracheomalacia
… to a bioresorbable stent. The coating combines novel polymers synthesized using non-traditional initiators such as contrast medium and therapeutic agents. The characterization of these polymers leads to the optimization of a coating platform. Using a factorial design, a library of drug delivery …
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Production of Bio-based Lactone Monomers for Intrinsically Recyclable Plastics
… great strides have been made in the design of novel polymers that exhibit desirable qualities and degrade back to their respective monomer at mild conditions, the development of scalable synthesis of the monomers for these plastics lags behind. This work aims to develop methods for the …
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Molecular Design of Crosslinked Copolymers
… molecular design (CMD) of crosslinked polymers is developed and implemented. The methodology is applied to the design of novel polymers for restorative dental materials. The computational molecular design of crosslinked polymers using optimization techniques is a new area of research. …
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Synthesis and Characterization of High Performance Polymers for Gas Separation Membranes
… and characterization of high performance polymers, especially polyimides, polybenzoxazoles and polybenzimidazoles for gas separation applications. An abundance of monomers and novel polymers were synthesized and fabricated into membranes. Thermally rearranged polybenzoxazoles and their …
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Studies in Naphthopyran chemistry
… with methacryloyl chloride. A range of novel polymers has been prepared by the free radical solution polymerisation of these methacrylate esters. The resulting naphtho[2,1-b]pyran based polymers varied in the substitution at C-3 and in the length of the group separating the naphthopyran …
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Synthesis and Characterization of Poly(arylene ether sulfone)s for Reverse Osmosis Water Purification and Gas Separation Membranes
… abundance of monomers, telechelic oligomers, and novel polymers were synthesized for use as separation membranes. These materials were often imbued with crosslinking functionalities to increase their performance during testing at the University of Texas-Austin. Crosslinking of sulfonated …
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Synthesis and characterization of functional polymers with controlled architecture and their application as anticorrosion primers
… designed functional poly(methacrylate) copolymers as a primer coating addressing one of the major failure mechanisms responsible for corrosion: delamination of the coating at the steel-coating interface. Novel polymers were designed and synthesized to improve corrosion protection and …
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Thermoelectric Properties of Organic Polymers
… properties and the structure of organic polymers. It delves into both innovative new materials systems and established typical materials. First it introduces the background and basic experimental techniques in Chapters 1-2. Then it delves into the function of uniaxial alignment and ion …
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Charge Transport in Field-Effect and Ion-Gel Gated Conjugated Polymers
… and comprehension of new conjugated polymers. Significant effects can arise from making minor alterations to the monomers and building blocks, which impacts charge transport; however, some of mechanisms responsible for the effects have yet to be fully understood. There have been …
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Oral Drug Delivery -- Molecular Design and Transport Modeling
… technique to generate molecular structures of polymers having desired properties. In greater detail, we utilized group contribution models to estimate several desired polymer properties such as grass transition temperature (Tg), density (ρ) and linear expansion coefficient (α). We subsequently …
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An Experimental Approach to the Development and Validation of Group Interaction Modelling
… modelling framework for predicting properties of polymers from their chemical structure. It assumes the energy balance of the intermolecular interactions between characteristic groups and external energy fields, and energy dissipation mechanisms are the origin of all bulk properties of polymers. …